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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
Sep. 30, 2016
Jun. 30, 2016
Federal [Member]    
Income Tax Authority [Line Items]    
Accrued income taxes $ 12.5  
Prepaid income taxes   $ 4.3
State and Local [Member]    
Income Tax Authority [Line Items]    
Accrued income taxes $ 1.0  
Prepaid income taxes   $ 0.5